Atoll ST300 Signature Streamer/DAC Black

Whether it’s listening to music in high definition streaming, locally from your network, from a USB key, a hard drive, via Bluetooth®,
or your favourite internet radios, our ST300 Signature network player is adapted to the current needs related to the reading of dematerialized music files. It embeds a high-performance converter and can be used as a pure source or preamplifier.

The Atoll ST300 Signature is a high-end network player designed for an uncompromising audiophile experience. Supporting Hi-Res formats up to 24-bit/192kHz and DSD128, it delivers crystalline sound via Wi-Fi, Ethernet, or Bluetooth. Featuring a Gapless playback system and integrated access to premium streaming services like Tidal, Qobuz, and Spotify Connect, the ST300 serves as the heart of any modern Hi-Fi setup. With full compatibility for Roon, Audirvāna, and AirPlay 2, it ensures a seamless digital workflow, all showcased on a stunning 5″ TFT color display and controlled via the intuitive Atoll Signature 2 app.

FEATURES

• 8 mm brushed aluminium front.
  
• 1×30 VA linear transformer + 2×10 VA low-noise toroidal transformers (audio).
  
• Total of capacitors: 69 000 µF.
  
• ESA series CLARITY CAP audio MKP link capacitors.
  
• Double converter BURR-BROWN PCM1792A:
             – Dynamic: 132 dB.
             – Signal/Noise ratio: 132 dB.
  
• 5″ TFT LED colour graphic display (800*480).
  
• Discrete component audio stages without negative feedback in pure Class A.
  
• Analogue volume management (switched resistors) that can be bypassed.
  
• Specific power supply dedicated to the audio stages.
  
• Specific power supply dedicated to the analog-digital audio converter.
  
• Resolutions: PCM up to 24 bits/192 kHz and DSD64 and DSD128.
  
• Playback of audio files is supported on the network (DLNA and UPnP compatible) via wired RJ45 or WiFi connections.
  
• Display of names, tags, resolutions, and album covers.
  
• “Gapless” system (no cut between pieces).
  
• Ability to create playlists.
  
• USB-A file systems: FAT32, NTFS, EXT2/3/4.
  
• ATOLL “streamer” remote control supplied as standard.
  
• “ATOLL Signature 2” App (Android and IOS).

CONNECTIVITY

• Audio inputs
  2 Stereo line inputs
  4 Digital inputs: 2 Coaxial, 2 Optical Toslink
  1 Bluetooth®
  2 USB-A inputs:1 front, 1 rear
• Audio outputs
  1 Stereo line RCA output
  1 Stereo line XLR output
  2 Digital outputs: 1 Coaxial, 1 Optical Toslink
• Various
  1 RJ45 input (network).
  1 Trigger output (12V).
  1 WIFI antenna.
  1 Bluetooth® antenna.

TECHNICAL DATA

• Power supply: 30 VA + 2×10 VA (audio)
  
• Total of capacitors: 69 000 µF
  
• Output stages: 4 discrete component stages biased in class A with no feedback
  
• Dynamic: 132 dB
  
• Signal/Noise ratio: 132 dB
  
• Output impedance: 5,6 Ω
  
• Maximum input level: 3,5 Vrms
  
• Output level: 2,0 Vrms
  
• Distortion at 1 kHz: 0,0004 %
  
• Bandwidth: 5 Hz – 20 kHz
  
• Rising time: 1,5 µs
  
• Digital/analogue converter: 2×BURR-BROWN
• 24 bits/192 kHz
  
• Dimensions: 440×284×95 mm
  
• Weight: 7 Kg